Curated OER
Finding Primes-The Sieve of Eratosthenes
In this middle school/Algebra I instructional activity, students use the sieve of Eratosthenes to determine the prime number less than two hundred. The one page instructional activity contains one problem. Answer is not...
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: La Criba De Eratostenes
Reinforce your knowledge about prime and composite numbers. Geogebra plugin required.